dictator
dic.ta.tor \'dik-.ta-t-*r, dik-'ta-t-\ \'dik-.ta--tr*s, dik-'ta--\ n [L,
fr. dictatus] 1a: a person granted absolute emergency power; esp : one
appointed by the senate of ancient Rome 1b: one enjoying complete
autocratic control; esp : a supreme somet imes autocratic arbiter 1c: one
ruling absolutely and often brutally and oppressively 2: one that dictates
- dic.ta.tress n
Webster's English Dictionary